Microbiotheria Ameghino 1889

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Microbiotheria, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 21-21 : 21

Microbiotheria Ameghino 1889

Families: 1 family with 1 genus and 1 species:

Family Microbiotheriidae Ameghino 1887 (1 genus with 1 species)

Discussion: Traditionally included in Marsupialia. Included in order Polyprotodonta by Reig et al. (1987); considered a separate order by Aplin and Archer (1987) and Marshall et al. (1990). Phylogenetically allied with australidelphian marsupials (e.g., Spotorno et al., 1997; Burk et al., 1999).